Abstract
The work was conducted in the north of Cote d’Ivoire, central pivot cotton production savannah area, to make the diagnosis of soil fertility for cotton cropping. Cotton cropping, the mainstay of the savannah's economy, suffered from low productivity in relation to the soils chemical properties. Prior cultivation, soils samples were collected at a depth of 0 to 30 cm, collecting 32 simple samples to generate a complete sample. The samples were sent to the soil laboratory to measure the pH unities, CEC, nitrogen, phosphorus, potassium, calcium, magnesium, sodium, iron, zinc, copper and manganese contents. In order to facilitate the interpretation of analysis results, the nutrients critical level recommended for optimum production of cotton were used. Results showed that soils had pH ranging from 4.4 to 6.4. On the other hand, the need to add nitrogen, magnesium and phosphorus to the soils and to augment the low carbon, calcium and potassium content. There is the need to search for fertilizer formulations with nitrogen, magnesium phosphorus and calcium for the Cote d'Ivoire cotton belt.
Highlights
Cotton (Gossypium hirsutum L.) is the third most important industrial crop of Côte d'Ivoire after cocoa (Theobroma cacao L.) and coffee (Coffea arabica L.). this is a cash crop of global importance especially, to the economies of producing in savannah's smallholder farmers who depend on cotton for their livelihoods
The soil chemical properties used for the present work are shown in Table 1, Table 2,Table 3
This acidic pH reduces the solubility of micronutrients in soil solution resultantly micronutrients precipitate and become unavailable to cotton plants
Summary
Cotton (Gossypium hirsutum L.) is the third most important industrial crop of Côte d'Ivoire after cocoa (Theobroma cacao L.) and coffee (Coffea arabica L.). this is a cash crop of global importance especially, to the economies of producing in savannah's smallholder farmers who depend on cotton for their livelihoods. Cotton (Gossypium hirsutum L.) is the third most important industrial crop of Côte d'Ivoire after cocoa (Theobroma cacao L.) and coffee (Coffea arabica L.). This is a cash crop of global importance especially, to the economies of producing in savannah's smallholder farmers who depend on cotton for their livelihoods. Cotton cropping is one of the main sources of income of the Ivorian economy A. It counts for less than 10% of the export incomes. Cotton is the third most important cash crop of the country after cocoa and coffee. Cotton cropping is the main economic resource in the savannah area it has little relative importance at the national level. In on socio-economic hand, cotton production development increases the farmer agricultural incomes in savannah's zone, in women incomes
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